conciliator
noun /kənˈsɪlieɪtə(r)/
/kənˈsɪlieɪtər/
(formal)- a person or an organization that helps to end an argument between people or groups
调解者；抚慰者；调解机构 - He was brought in to act as a conciliator between the two senators.
他被请来担任两位参议员之间的调解人。
- He was brought in to act as a conciliator between the two senators.